comad21.com - robtex.com

comad21.com

DNSSEC⚠️ Not signed
A222.231.27.216🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary
PTRweb5.koreafree.co.kr
NSns1.koreafree.co.kr ⭐
A121.254.171.112🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
NSns1.whoiskorea.co.kr ⚠️ Not in parent delegation
A121.254.171.111🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
NSns2.whoiskorea.co.kr ⚠️ Not in zone NS records
MXmail.comad21.com ⭐
A222.231.27.216🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary
PTRweb5.koreafree.co.kr
TXTv=spf1 ip4:222.231.27.216 ~all
SOAns1.koreafree.co.krwebmaster@koreafree.co.kr 2011-02-21 #9

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Subdomains

mail.comad21.com
www.comad21.com

Same first word

comad21.com

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSns1.koreafree.co.krns1.whoiskorea.co.krns2.whoiskorea.co.krns.ktweb.co.krns1.dothome.co.krns1.ktweb.co.krns2.dothome.co.krns3.dothome.co.krMXmail.comad21.comA222.231.27.216112.175.184.19218.234.19.186
○NSns.ktweb.co.kr2015-07-16 → 2017-02-02 · 4 obs
● 2015-07-16 05:08:42
● 2017-02-02 18:25:26
○ 2020-01-04 08:20:24
○ 2026-03-23 14:54:08
○NSns1.dothome.co.kr2020-01-04 → 2020-01-04 · 4 obs
○ 2017-02-02 18:25:26
● 2020-01-04 08:20:24
○ 2026-03-05 09:03:26
○ 2026-03-23 14:54:08
●NSns1.koreafree.co.kr2026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 08:20:24
● 2026-03-05 09:03:26
● 2026-03-23 14:54:08
○NSns1.ktweb.co.kr2015-07-16 → 2017-02-02 · 4 obs
● 2015-07-16 05:08:42
● 2017-02-02 18:25:26
○ 2020-01-04 08:20:24
○ 2026-03-23 14:54:08
●NSns1.whoiskorea.co.kr2026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 08:20:24
● 2026-03-05 09:03:26
● 2026-03-23 14:54:08
○NSns2.dothome.co.kr2020-01-04 → 2020-01-04 · 4 obs
○ 2017-02-02 18:25:26
● 2020-01-04 08:20:24
○ 2026-03-05 09:03:26
○ 2026-03-23 14:54:08
●NSns2.whoiskorea.co.kr2026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 08:20:24
● 2026-03-05 09:03:26
● 2026-03-23 14:54:08
○NSns3.dothome.co.kr2020-01-04 → 2020-01-04 · 4 obs
○ 2017-02-02 18:25:26
● 2020-01-04 08:20:24
○ 2026-03-05 09:03:26
○ 2026-03-23 14:54:08
●MXmail.comad21.com2026-03-05 → 2026-03-23 · 2 obs
● 2026-03-05 09:03:26
● 2026-03-23 14:54:08
○A112.175.184.192020-01-04 → 2020-01-04 · 4 obs
○ 2017-02-02 18:25:26
● 2020-01-04 08:20:24
○ 2026-03-05 09:03:26
○ 2026-03-23 14:54:08
○A218.234.19.1862015-07-16 → 2017-02-02 · 4 obs
● 2015-07-16 05:08:42
● 2017-02-02 18:25:26
○ 2020-01-04 08:20:24
○ 2026-03-23 14:54:08
●A222.231.27.2162026-03-05 → 2026-03-23 · 3 obs
○ 2020-01-04 08:20:24
● 2026-03-05 09:03:26
● 2026-03-23 14:54:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
comad21.comns1.koreafree.co.kr, ns2.whoiskorea.co.kr-

✅ Authoritative Response

Server:121.254.171.112

NS records: ns1.koreafree.co.kr, ns2.whoiskorea.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comad21.com (unsigned zone)

⏱️ Timing

Total: 1087ms | Queries: -

📄 Records

TypeCountSample Data
A1222.231.27.216
NS2ns1.koreafree.co.kr, ns1.whoiskorea.co.kr
MX1mail.comad21.com (pri: 10)
TXT1v=spf1 ip4:222.231.27.216 ~all
SOA1ns1.koreafree.co.kr webmaster.koreafree.

Analysis

Hierarchy

comad21.com is a parent of mail.comad21.com and www.comad21.com.

IP Addresses

comad21.com resolves to one IP number: 222.231.27.216.

other host names including heraldsports.kr, i-sdi.com, nrt.kr, eseat.co.kr and dycasting.com share IP numbers with comad21.com.

Name Servers

comad21.com is delegated to three name servers ns1.koreafree.co.kr, ns1.whoiskorea.co.kr and ns2.whoiskorea.co.kr.

comad21.com at least partially shares name servers with other domains, for instance kalt.kr, shwa.kr, 1001optics.co.kr, ddmnews.com and enssol.co.kr.

Host names with one IP number:

ns1.koreafree.co.kr points to 121.254.171.112

ns1.whoiskorea.co.kr points to 121.254.171.111

Mail Servers

comad21.com is handled by a single mail server, mail.comad21.com.

mail.comad21.com resolves to IP 222.231.27.216.